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Milk contains fats and proteins I think. You can add polymers to thicken the product. Y ou could also try homogenising oil with surfactant- speak to some of the major surfactant suppliers for suggestions. It depends how closely you want to match the properties of milk, but you may need to...

Try contacting Dr Robert Field at Oxford University UK. You could also try Bath University Chemical Engineering Department who have done some work in this area. Regards David G

The Smart Chemical company does not supply pervaporation membranes any more. You could try contacting Alan Cobham Engineering (Blandford Forum) who hold a licence for Smart pervaporation technology if you are particularly interested in zeolite technology. You could also try Mitsui (zeolite...

Can any one advise what sort of droplet size control can be achieved with conventional mixing equipment such as high shear mixers, hp homogenisers and ultrasonic devices for typical oil in water emulsions?

What materials are available with a very tight pore size distribution in the range 0.1 to 10 micron. I am looking for both hydrophillic and hydrophobic materials. These do not necessarily have to be commercially available materials.

Sounds like you should remove the polymer particles first. Pervaporation would be ok if youre oil water mixture wont separate readily by distillation ie if it forms an azeotrope. Pervaporation membranes can be limited in their durability and compatibility. Other wise stick to distillation...

Does it matter whether the water is emulsified or as steam? Does it effect the NOx reduction if you can control the nature of the emulsion?- eg watre droplet size? Do the emulsifiers used by Purinox /Elf effect the NOx reduction adversely in any way?

Try using cryogenics. This is routinely done for air pre purification.